Functional Web Framework
Project description
What is Giotto?
Giotto is a python web framework. It encourages a functional style where model, view and controller code is strongly decoupled.
Key Features of Giotto include:
Extremely terse code. A full featured blog application is under 300 lines of code (including templates)
Generic views, generic models and multiple pluggable controllers.
Free RESTful interface along with your normal “browser POST” CRUD site.
Functional CRUD patterns that do away with the need for django-style form objects.
Automatic URL routing.
Built in cache (supports Redis and Memcache, and an API for supporting any other engines)
SQLAlchemy for database persistence.
Jinja2 for HTML templates (with an API for extending for other template engines)
Getting started
Install and create base project files:
pip install giotto mkdir demo giotto --http
Now your project is initialized. Open the manifest.py and add the following:
from giotto.programs import ProgramManifest, GiottoProgram
from giotto.views import jinja_template, BasicView
def multiply(x, y):
x = int(x or 0)
y = int(y or y)
return {'x': x, 'y': y, 'result': x * y}
manifest = ProgramManifest({
'multiply': GiottoProgram(
model=[multiply],
view=BasicView(
html=jinja_template('multiply.html'),
),
),
})
Now create a file called multiply.html:
<!DOCTYPE html>
<html>
<body>
{{ data.x }} * {{ data.y }} == <strong>{{ data.result }}</strong>
</body>
</html>
Or if you’re too lazy to make a template, set the view keyword argument to just BasicView() to use the generic view.
Run the development server:
$ ./http --run
Point your browser to http://localhost:5000/multiply?x=3&y=3. Additionaly, try http://localhost:5000/multiply.json?x=3&y=3. You can also invoke your multiply program through the command line:
$ giotto --cmd $ ./cmd multiply --x=4 --y=2
Also:
$ ./cmd multiply.html --x=4 --y=2
You can also use positional arguments:
$ ./cmd multiply/4/6
Links:
To discuss Giotto, please visit the Google Group
Read Giotto’s documentation.
Check out giottoblog, a full featured blog application written with the Giotto framework.
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